CVE-2021-34410
A user-writable application bundle unpacked during the install for all versions of the Zoom...
A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.
- Record
CVE-2021-34410- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE ListNo score
A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.
- Record
CVE-2021-34410- Updated
- 2026-11-02
EUVDEUVD-2021-21068No score
A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.
- Record
EUVD-2021-21068- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pc44-f378-g8j5
A user-writable application bundle unpacked during the install for all versions of the Zoom...
A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.
- Record
GHSA-pc44-f378-g8j5- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34410 is a high vulnerability (CVSS 7.8) in Zoom Plugin For Microsoft Outlook, published September 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.